Home / 12,416.36-18,624.51-3,657.42

Finding the Fourth Proportional to 12,416.36, 18,624.51 and 3,657.42

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Solution

The fourth proportional to 12,416.36, 18,624.51 and 3,657.42 is: 5,486.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.36 : 18,624.51 = 3,657.42 : x
  2. Step 2: Convert to fraction form
    12,416.36/18,624.51 = 3,657.42/x
  3. Step 3: Cross multiply
    12,416.36x = 18,624.51 × 3,657.42
  4. Step 4: Simplify right side
    12,416.36x = 68,117,655.36
  5. Step 5: Solve for x
    x = 68,117,655.36/12,416.36
  6. Step 6: Final answer
    x = 5,486.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.